Keyless lock.



G- VAJDA.

xgmss LOCK. APPLICATION FILED MAY 21. I915- 3 SHEETS-SHEET 1.

Fig.1.

THE COLUMBIA PLANOGRAPH cO.. WASHINGTON, D. c.

G. VAJDA.

KEYLESS LOCK.

APPLICATION men MAY 21. 1915.

1,179,683. Patented Apr. 18, 1916.

3 SHEETS-SHEET 2;

THE COLUMBIA PLArjoaRAPH co, WASHINGTON, n. c.

' I versing connections between the locking bolt 7 I so sists in the novel sans KEYLESS LocK.

Application filed May 21, 1915.

To all whom it may concern:

Be it known that, I, GYBRGY VAJDA, a subject of the King of Hungary, residing at Landisville, in the county of Lancaster and State of Pennsylvania, have invented certain new and useful Improvements in Keyless Locks, of which the following is a specification- This invention relates to new and useful improvements in keyless locks.

The primary objectof the invention is to provide a door lock presenting such complicated exterior appearance as to deceive an unauthorized person with respect to its correct manipulation although being readily operated by an authorized person familiar Fig. 6 1s slldably mounted through an opening 14 in the front with the workings thereof.

A further object is to provide a door'lock operable from either side thereof without the employment ofa key and having reand the catch with which thelock is provided.

A still further object is to provide a keyless door lock having a knob actuated catch and being provided with reverselv acting operating connections between the lock catch and bolt, the bolt being retained in either projected or retracted position as desired. 7 With these general objects in view and others that will appear as the nature of the invention is better understood, the same concombination and arrangement of parts hereinafter fully described, illustrated in the accompanying drawings and then claimed. I In the drawings forming a part of this application and in which like designating characters refer to corresponding parts throughout the several views :-Figure 1 is an elevational view of the lock detached, with the side plate of the casing removed and parts being broken away, the bolt being shown retained in its retracted position. Fig. 2 is a similar view but with the bolt illustrated in its retained projected locking position. Fig. 3 is a transverse sectional v1ew through the device showing the catch mechanism. Fig. 4 is a longitudinal sectional view thereof showing the elements positioned as illustrated in ig. 1. Fig. 5 is a view similar to Fig. 4 but with the elements illustrated as shownin Fig. 2. Fig. 6 is a perspective view of the spring catch member Specification of Letters Patent.

at opposite sides of the v Patented Apr. 18, 1916.

Serial No. 29,497.

detached. Fig. 7 is a similar locking bolt. Fig. 8 is a perspective view of the sliding block employed in connection with the catch, and Fig. 9 is a perspective view of the operating shaft detached with its arm members.

In the construction of the present lock, a casing 10 is provided of substantially the usual form and has a stationary spindle 11 extending therethrough and provided upon its opposite ends with sham knobs 12 lock, the entire structure being rigid with the casing and merely serving to confuse an unauthorized person by the plurality of knobs.

A catch 13 of the form best illustrated in wall 15 of the casing, while a locking bolt 16 as best illustrated in Fig. 7 is slidably mounted through an opening17 in the said front wall.

Opposite knobs 18 are arranged exteriorly of the casing 10 secured to the opposite projecting ends of a spindle 19 journaled through the casing, the said knobs being adapted for retracting the catch 13 by means of an arm 20 carried by the spindle 19 interiorly of the casing and freely seating within a slot 21 in the adjacent side of the catch 13.

The bolt 16 slidably mounted within a frame 22 within the casing, is provided with a projecting side rib 23 which is engageable at its opposite ends by the crank 24 of a shaft 25 journaled through the casing andhaving oppositely arranged operating turn buttons 26 secured thereto. When the bolt 16 is projected to its locking position as illustrated in Figs. 2 and 5 of the drawings by the mechanism hereinafter described, either of the buttons 26 may be turned for engaging the crank 24 with the inner end of the bolt rib 23 thus retaining the bolt projected, while similarly, when the bolt is retracted as illustrated in Figs. 1 and 4 of the drawings the buttons 26 may be reversely turned for engaging the crank 24 with the forward end of the rib 23 thereby retaining the bolt in its inoperative retracted position.

The active operative means for the bolt and catch and whereby the same may be reversely actuated consists of an operating shaft 27 journaled through the opposite sides of the casing 10 and a pane perpendicular to that of the spindles 11 and 19,

view of the wardlyf thereof.

;by, means of a link the star Wheel 29 while the opposite plunger 7 free end of a lug 45 aforementioned block 31.

bolt 16 by means of the said shafthaving a catch actuating arm 28 and a star wheel form of triple-lever arms 29.

is arranged between the adjacent ends of the said catch 13 and block 31 being secured to each of the same and functionally'acting as a resilient projecting member for the said catch when the bolt is retracted'and for a connecting withdrawing means. catch when the bolt is projected. g

The locking casing 10 is provided with oppositely arranged projecting bosses 33 each having a central borev34 while similar for the plungers 35 and 36 are arranged within the said bores, each of the said plu ngers having a handle or operating knob 37 upon its outer end. The plunger-35 is connected 38-With the arm 39 of 36' is similarly-connected to the adjacent arm 40 of the said star wheel by means of a connecting rod-41.; y

The arm" 28 of the operating shaft is connected to a rocker arm 42hpivoted upon a transverse rod 43 of the casing 10 by means of a link 44, while the opposite end ofthe arm 42 is pivotally attached to theiinner projecting from the The third-arm 46 of'the star, wheel is pivotally connected to the rear end of the a connecting rod 47.

i i From this detaileddescription of the complete device,

elements as shown in Fig. 1 will be at once apparent, the knobs 18 being employed for re tracting the catch 13 whenever-desired, thus compressing the spring'32 and allowing the catch to return to its projected position when released by the said knobs. When thecatch is projected and the bolt retracted, the two plungers 35 and 36 will be inwardly positioned and an outward pull then exerted upon either of the operating knobs 37 will turn the shaft 27 through the agency of the means'of the star star wheel 29 to the position shown in Fi 2 which effects a projecting of the bolt by wheel arm 46 and the connecting member 47, while the catch is retracted by pulling inwardly upon the block 31 by means of the arm 28 and the operative connections of the rocker arm 42 between the same and the said block.

The buttons 26 are employed for retaining the locking bolt in either its retracted or projected position as desired and when the crank 24 is released from its engagement with the bolt rib 23, the plungers 35 may be withdrawn for projectingthe bolt and re- 'tracting the catch as hereinabove set'forthv or either of the plungers 35 and 36 may be ethe preferred embodiment thereof, it is H tionsbetween V the said operating means and 7 block, I said shaft and blockand independent means the normal position vof the able bolt mounted within the V tral bores,

forced inwardly for retracting the bolt and projecting the said catch;

.7 v V i j w 'XVhile the -f0rm of the invention herein The catch 13 is slidably mounted within a frame 30 while a block 31 is slidably mounted within the same bracket and in 7 An expansion spring 32' shown and described is what is believed to nevertheless to be understood that minor changes may be made in the form, proportion and detailsof construction without departing from the spirit and scope of the in- What Iclaim'as new is:' j n o l. A keyless lock comprisinga casing, a slidable bolt and catch carried thereby,

vention as set forth in the appended claims.

simultaneous operating means for the,- said .c'atch and bolt, movement reverslng connecthe catch and bolt, engagea'bl'e projection -,and.retraction retaining means for the bolt carried by the'said 'casing, oper atin g buttons for the saidretaining means positioned at M opposite sides of the 'ca'sing,iindependent resilient positioning means forthe said catch, and independent knob operating. retracting meansjfo-r thesaid catch.

2. A look comprising a casing,a project '5 able bolt slidably mounted thereim'an operating shaft jourhaled throughthe said casing, 'operative connections between the said shaft and bolt, oppositelyxarranged. -.pl ungers carried i v by the casing, operative conn'ectionsjbetween the said plungers and shaft, a sliding catchwithin the said casing,

a slidable block spacedfromthe said :catch and mounted within the casing,

sion spring connecting the said operative connections between the for retracting the catch.

3. A look comprising a casing, a pro jecte said casing and having a side rib projecting therefrom, operating means for the said bolt,.'afjshaft journaled through the said casing and ha-ving'a crank portion adapted to engage, either end of the rib and opposite operating pivotal connecting'link between the third arm of the said lever and the adjacent end of the said connected to said star wheel, and means operating independently of the bolt 'operating means for retracting the" catch.

5. lock comprising' acasing, opposite bosses carried by the casing and having;-

central bores, laterally shiftable' plungers 13o aneXpan-i catch and havin g c'en-i bolt, a sliding catch operatively v within the said bores, an operating shaft journaled through the said casing, a star wheel lever secured to the said shaft, link connections between two adjacent arms of the said lever and the said plungers, a projectable slide bolt carried by the casing, a pivotal connecting link between the third arm of the said lever and the adjacent end of the said bolt, a catch slidably carried by the said casing, a slidable block within the casing, an expansion spring connection be- Gopies of this patent may be obtained for five cents each,

tween the said block and catch, a rocker arm pivotally mounted within the caslng, a lug carried by the sald block having its free end pivotally connected with one end of the said 15 rocker arm, a single arm upon the operating shaft, and a pivotal link connection between the said slngle arm and the other end of the said rocker arm.

In testimony whereof I atfix my signature. 20

by addressing the Washington, D. G.

GYoRGY VAJDA.

Commissioner of Patents, 

